Problem Analysis #15

Kimi K3 · Run 1

Correct
17.80s
506 toks

API · no tools. This is the prompt and response recorded for this attempt; a full solution may not have been returned.

Problem Statement

This is a Korean CSAT mathematics numerical-answer problem. Solve it and put only the final integer value inside \boxed{}.

Problem 16 Let{a n}be a sequence witha 1 = 1 and, for every natural numbern, an+1 =n 2an + 1. Computea 3. [3 points]

Ground Truth
9
Recorded model response / solution
Reasoning Process

\boxed{9}

Final Model Output
9

Comparative Analysis (P15) (Average across runs)

Averages use reported measurements only. Missing usage is not treated as zero.

Avg Time Taken

Kimi K3
9.6
Motif 3
8.7
Solar Pro 4
6.4
K-EXAONE-2
0.6

Avg Token Usage

Solar Pro 4
443.7
Kimi K3
438.3
K-EXAONE-2
294.7
    CSAT 2026 · Problem 15 · Kimi K3 | EntropyMath